Sussex Art Prints DOES NOT store or have any access to payment transaction card data, all customer payment transactions are handled via Square secure payment process servers.
Square is a financial services platform by Block, Inc. for small and medium-sized businesses. Square, Inc. is a financial services, merchant services aggregator, and mobile payment company based in San Francisco, California serving 56 million users and 4 million businesses, with an annual payment processing volume of US$228 billion as of 2023.
Square utilises end-to-end encryption in all of its transactions which helps keep all of the details of your transactions secure. These include using a TLS connection (a secure connection over HTTPS), key pinning (which ensures you only connect to a legitimate Square server for transactions), and following data security standards such as PCI-DSS (the Payment Card Industry Data Security Standard).